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Financial Assets and Liabilities Measured At Fair Value on Recurring Basis (Detail) (Interest Rate Swap, USD $) In Millions, unless otherwise specified	Jan. 30, 2011
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest Rate Swap Contracts	$ (1)
Fair Value, Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest Rate Swap Contracts	$ (1)

- Definition

Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments.

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